In our previous issue, we noted that the first step in troubleshooting digital input modules is to verify the power source of each loop. If input power is missing, the causes can be such things as ...

MAXxess Systems have released an input module which enables security systems to be expanded with additional sensor / devices without the significant expense of additional controller / processors. Cost ...

The following are some basic facts about input loop power sources: The input module usually isn't a loop power source. Although 120V is common for digital loops, other voltages are also used. There ...

A key subsystem in a programmable logic controller is the analog input module, which provides a high-precision front end to measure a wide variety of sensors. In many cases, however, the amplifier ...

Touted as the world’s first TUV SIL 3 certified Hart failsafe analog input module, the Simatic SM 336 is available for use with Simatic ET 200M I/O and PCS 7F process safety systems. July 1, 2008 A 50 ...

Microcontroller-based systems with analog I/O can be simplified by modularizing them as stackable boards interconnected by a minimalist bus. The Inter­Module Bus (IMB) is a master-slave bus controlled ...

The 8 Input Expansion Module is used with the Data Gathering Panel (DGP) to increase the number of inputs available in a system, without the expense of purchasing additional DGP. The expansion can be ...